CVE-2026-75507 GraphQL-core - Denial of Service

GraphQL-core 3.0.0 to < 3.2.12 and 3.3.0rc1 contains a denial of service caused by inefficient repeated comparisons in OverlappingFieldsCanBeMerged rule during validation, letting unauthenticated remote attackers saturate worker processes with crafted queries.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
22 October 2026
Updated
23 October 2026
Weakness
CWE-400

Vendor fix

Update to version 3.2.12 or 3.3.0rc1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs